<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<link href="https://cdn.bootcss.com/bootstrap/4.0.0/css/bootstrap.min.css"
	rel="stylesheet">

<title>首页</title>
</head>
<body>
   这是控制器HomeController的home方法返回“index”字符串对应的html文件
</body>
</html>